<!-- 英雄详情 -->
<div *ngIf="hero">

    <h2>{{hero.name | uppercase}} Details</h2>
    <div><span>id: </span>{{hero.id}}</div>
    <div>
        <label>name:
      <input [(ngModel)]="hero.name" placeholder="name"/>
    </label>
    </div>

</div>